The HVA28 TD VLF high voltage test set is an ultra-compact lightweight 0.1 Hz VLF cable tester with integrated tan delta diagnostics. At only 14 kg this ultra light high voltage test set is the smallest unit available on the market and is perfectly suited for mobile use. The HVA28 TD high voltage test set is protected by a watertight, crushproof and dust proof IP67-case.

Features:
Smallest VLF & TD unit available
14kg only
Smart VLF technology
Outputvoltage 28 kV
IP67 watertight
Patented cooling system
Dual Discharge Device (DDD®)

The strong high voltage output can drive capacitive loads as high a 10 μF.

Possible output voltages:
Sinusoidal: 0 – 28 kV peak, 0 – 20 kV eff
DC: ± 0 - 28 kV
Squarewave: 28 kV

The HVA28 TD offers manual and automatic testing and diagnostic sequences and various operating modes such as:
VLF cable testing with symmetrical AC-Voltage (load independent across full range)
DC with positive or negative polarity
Burn-/ Fault Condition or Fault Trip Mode
Jacket / Sheath Testing
Sheath Fault location mode

The Dual Discharge Device (DDD®) allows electronic and mechanical discharging of devices under test.
 
The following features make the HVA28 TD VLF high voltage test set the outstanding cable test and diagnostic system of its class:
Predefined standard-compliant cable test sequences
Symmetrical sine wave at high voltage
Measurement of the dissipation factor tan δ with an accuracy of ± 1 x 10-4
RMS measurement of output voltage and current
Measurement of capacitive and resistive load
Automatic load dependent frequency selection (0.01 Hz – 0.1 Hz)
Display of current test time
Integrated real-time scope function
Self-explanatory, multilingual software
Automatic measurement reporting
Computer-Interfaces and report storage via USB or Bluetooth
PC software (HVA Control Center) for data analysis and storage
Flashover detection and ultra fast switch off
Flashover voltage measurement
Time optimized burning mode
No regular maintenance required, due to dry (oil-free) system
Unlimited duty cycle

Download HVA28 VLF High Voltage Test Set datasheet

Download HVA28TD VLF High Voltage Test Set datasheet

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